The lower Pennsylvanian unconformity in the central Appalachian Basin /
| Corporate Author: | |
|---|---|
| Other Authors: | , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, VA : Denver, CO :
U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services,
1999
|
| Series: | Geologic investigations series ;
I-2597 Geologic investigations series ; I-2597 |
| Subjects: |